Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended																12 Months Ended
	Dec. 31, 2019		Sep. 30, 2019		Jun. 30, 2019		Mar. 31, 2019		Dec. 31, 2018		Sep. 30, 2018		Jun. 30, 2018		Mar. 31, 2018		Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues
Revenues	$ 1,908		$ 1,476		$ 1,705		$ 1,749		$ 1,897		$ 1,529		$ 1,407		$ 1,593		$ 6,838	$ 6,426	$ 4,304
Revenues from contracts with customers																	6,837	6,427	4,304
Operating costs and expenses
Cost of sales (excluding depreciation and amortization expense shown separately below)																	3,374	3,403	2,320
Cost of sales—affiliate																	7	0	0
Operating and maintenance expense																	632	409	292
Operating and maintenance expense—affiliate																	138	117	100
Development expense																	0	2	3
General and administrative expense																	11	11	12
General and administrative expense—affiliate																	102	73	80
Depreciation and amortization expense																	527	424	339
Impairment expense and loss on disposal of assets																	7	8	2
Total operating costs and expenses																	4,798	4,447	3,148
Income from operations	676		346		455		563		524		492		455		508		2,040	1,979	1,156
Other income (expense)
Interest expense, net of capitalized interest																	(885)	(733)	(614)
Loss on modification or extinguishment of debt																	(13)	(12)	(67)
Derivative gain, net																	0	14	4
Other income																	31	26	11
Other income—affiliate																	2	0	0
Total other expense																	(865)	(705)	(666)
Net income	$ 448		$ 110		$ 232		$ 385		$ 351		$ 307		$ 281		$ 335		$ 1,175	$ 1,274	$ 490
Basic and diluted net income (loss) per common unit	$ 0.87	[1]	$ 0.19	[1]	$ 0.44	[1]	$ 0.75	[1]	$ 0.69	[1]	$ 0.60	[1]	$ 0.55	[1]	$ 0.67	[1]	$ 2.25	$ 2.51	$ (1.32)
Weighted average number of common units outstanding used for basic and diluted net income (loss) per common unit calculation																	348.6	348.6	178.5
LNG [Member]
Revenues
Revenues																	$ 5,211	$ 4,827	$ 2,635
Revenues from contracts with customers																	5,210	4,828	2,635
LNG—affiliate [Member]
Revenues
Revenues from contracts with customers																	1,312	1,299	1,389
Regasification [Member]
Revenues
Revenues from contracts with customers																	266	261	260
Other [Member]
Revenues
Revenues from contracts with customers																	$ 49	$ 39	$ 20

[1] The sum of the quarterly net income per common unit may not equal the full year amount as the undistributed income and loss allocations and computations of the weighted average common units outstanding for basic and diluted common units outstanding for each quarter and the full year are performed independently.